11 charts show why Amazon, Uber and so many other tech companies want to deliver your food

Pizza was the first food to go online. The classic phone orders were replaced by fancy "watch as it cooks" widgets. Now Dominoes will automatically place your last order if you even open its app.

Yet, pizza isn't the only delivery food, and there's companies warring over the rest of the market.

Grubhub remains the largest incumbent in the space, but startups from Silicon Valley and heavyweights like Uber and Amazon are now entering the food space too.

Morgan Stanley Research recently published a report that breaks down how big GrubHub's lead is on the rest of the competition - and where upstarts like Amazon and Uber could quickly catch up.

"Online food delivery is still in its nascency as, by our math, only 5% (or $10B) of the ~$210B core addressable restaurant spend is done through online delivery, and more than half of that is pizza," Morgan Stanley analysts noted.

Here's why so many big companies are salivating over the opportunity:

Disclosure: Jeff Bezos is an investor in Business Insider through his personal investment company Bezos Expeditions.